78937873

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 95679744

約数和(自身を除く): 16741871

約数列:

[1, 7, 31, 49, 157, 217, 331, 1099, 1519, 2317, 4867, 7693, 10261, 16219, 34069, 51967, 71827, 238483, 363769, 502789, 1610977, 2546383, 11276839, 78937873]

約数ペア:

[(1, 78937873), (7, 11276839), (31, 2546383), (49, 1610977), (157, 502789), (217, 363769), (331, 238483), (1099, 71827), (1519, 51967), (2317, 34069), (4867, 16219), (7693, 10261)]